OpenTechnical

OT-2026-000095811

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000095811) never changes.

Identity and time

Publication numberOT-2026-000095811 · never reused
Internal UUID01a0ae9f-fac6-79af-ba7b-ea65e05d8641 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095811
StatusPUBLIC

Content hashes

Canonical texta3bafd50ca7db19d5e95688f7094081ed29b90493ceb7c743b03ec47b8a5f07e
Markdownbb088c975e15f3d00d30f88d1a0c98167ba8fc585a93bbb84c789667e8ac972f
PDF
Publication pagec0b0fbef21e6662f194debbcb530782ffa0ce502f1fbd1bea38aeb350d7c9713
Manifestcc64d09e17da776b7b4bd66e9573ded995ffda6930c80164000b49493239d3f2

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureHAYIruWOteaev1s/YM+y8Owp8RS3nLTvCoAO12xaXseBL+ZJ8xzU1XmKCU8x3OdumQV2LeeREJBlDPd5guMWCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:53.342561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095811
observed c0b0fbef21e6662f194debbcb530782f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:53.325641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095811/manifest.json
observed cc64d09e17da776b7b4bd66e9573ded9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:53.308256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095811/publication.md
observed bb088c975e15f3d00d30f88d1a0c9816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:53.289436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095811/publication.txt
observed a3bafd50ca7db19d5e95688f7094081e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.